Don't forget to ... pictures at the wedding. Marisa is going to look beautiful.

The correct verb to use with 'pictures' in this context is 'take'. Therefore, the sentence should be 'Don't forget to take pictures at the wedding.'

The phrase 'take pictures' is a common idiom for capturing photographs.

The other options, 'make' and 'give', do not form a grammatically correct or idiomatic phrase with 'pictures' in this sentence.